# HG changeset patch
# User Pascal Bellard <pascal.bellard@slitaz.org>
# Date 1566726086 -7200
# Node ID f063a9bbc7f4bcb352a59e8566cabc172490853c
# Parent  8637af3e2aba0ff71a5967fa09a3f7bd78c29aec
syslinux/kbd: check kbd malloc pointer

diff -r 8637af3e2aba -r f063a9bbc7f4 syslinux/stuff/extra/md5sum.c
--- a/syslinux/stuff/extra/md5sum.c	Sun Aug 25 11:13:41 2019 +0200
+++ b/syslinux/stuff/extra/md5sum.c	Sun Aug 25 11:41:26 2019 +0200
@@ -626,13 +626,15 @@
 	loadfile(kbdfile, (void **) &kbdmap, &map_size))
     	goto kbdmap_error;
     if (* (short *) kbdmap == 0x005D) {
+	void *heap = malloc(2*(1846 + (768 << (3 + 0))) + 16);
 	void *p = malloc(map_size = * (long *) (kbdmap + 5));
-	void *heap = malloc(2*(1846 + (768 << (3 + 0))) + 16);
 
-	unlzma(kbdmap, p, heap);
-	free(heap);
-	free(kbdmap);
-	kbdmap = p;
+	if (p) {
+		unlzma(kbdmap, p, heap);
+		free(heap);
+		free(kbdmap);
+		kbdmap = p;
+	}
     }
     if (strncmp(kbdmap, "07070", 5))
     	goto kbdmap_error;